Welcome to Mathnasium of Simi Valley

The Mathnasium in Simi has been fantastic for my children, who are both homeschooled. I use it to supplement t...


We love Mathnasium for our daughter's tutoring and mentoring needs. Even though she is still in first grade we...

Curtis Mengotto

2 Month Trial Summer at Mathnasium

A great way for kids to keep up their math skills so they’re ready to go in the fall. They’ll receive: • A comprehensive assessment and customized learning plan that details summer goals for long-term success • Live, face-to-face instruction, whether they learn in-center or online • A proven teaching method that results in true understanding and increased confidence

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Contact us

Simi Valley

  • 1555 Simi Town Center Way, #B4-450
  • Simi Valley, CA 93065
  • Call (805) 864-6605
  • Text (805) 864-6605

Hours of Operation

Instructional Hours

Mon-Fri 2:00PM - 7:00PM
Sat 9:00AM-1:00PM

Office Hours

12:00PM - 2:00PM
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Hello. I'm Geeta Singh, Owner of Mathnasium of Simi Valley, your neighborhood math-only learning center. We Provide proven, effective, and FUN (yes, kids love learning math here) math tutoring to students in elementary, middle school, and high school. Serving Simi Valley, Simi Hills, Wood Ranch and surrounding areas.

We specialize in math-only instruction with a focused, caring, and fun learning approach that delivers results.
We proudly serve local communities and schools, including:

  • Simi Valley, Simi Hills, Wood Ranch
  • Vista, Atherwood, Big Springs, Hollow Hills, Sycamore
  • Hillside Middle School, Valley View Middle School, Sinaloa Middle School
  • Simi High, Royal High, Santa Susanna High, Saint Rose of Luma High, Grace Bretheren High, Chaminade High

Dedicated to providing the best instruction

Our instructors are enthusiastic about math and specially trained in the Mathnasium Method. They create a caring and encouraging environment where your child will learn and thrive!

Meet the Team gallery1

Instructor Spotlight

Hey there! I'm a student at Royal High School, and I'm totally into math. My favorite number? Definitely 25. But honestly, I'm interested in all things math-related. One thing that really gets me excited is being part of Mathnasium. Seeing my classmates understand new concepts and watching them impr(...)



One-on-One Assessment

Our unique assessment pinpoints what each child already knows and what they still need to learn.


Customized Learning Plan & Goals

Our detailed plan takes your child step-by-step from where they are to where they need to go.


The Mathnasium Method™

Our proprietary curriculum and teaching method fosters skills that take hold and build upon one another.

Find out how Mathnasium will work for your child

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"My son participated in Mathnasium for 7 months and went from dreading math to loving it. He was told he may need a remedial class at school but now after Mathnasium he is ahead of his grade level class. "

— James Freeman

Simi Valley

1555 Simi Town Center Way, #B4-450

Simi Valley, CA 93065

United States